AU548565B2 - Pneumatic stowing of alpha and/or beta sulphate hemihydrate - Google Patents

Pneumatic stowing of alpha and/or beta sulphate hemihydrate

Info

Publication number
AU548565B2
AU548565B2 AU75505/81A AU7550581A AU548565B2 AU 548565 B2 AU548565 B2 AU 548565B2 AU 75505/81 A AU75505/81 A AU 75505/81A AU 7550581 A AU7550581 A AU 7550581A AU 548565 B2 AU548565 B2 AU 548565B2
Authority
AU
Australia
Prior art keywords
alpha
sulphate hemihydrate
beta
pneumatic stowing
stowing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU75505/81A
Other versions
AU7550581A (en
Inventor
Fritz Adrian
Friedrich Bassier
Dieter Deuster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RAG AG
Steag GmbH
Original Assignee
Ruhrkohle AG
Steag GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ruhrkohle AG, Steag GmbH filed Critical Ruhrkohle AG
Publication of AU7550581A publication Critical patent/AU7550581A/en
Application granted granted Critical
Publication of AU548565B2 publication Critical patent/AU548565B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
    • C04B28/146—Calcium sulfate hemi-hydrate with a specific crystal form alpha-hemihydrate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1055—Coating or impregnating with inorganic materials
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/08—Filling-up hydraulically or pneumatically
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
AU75505/81A 1980-09-20 1981-09-18 Pneumatic stowing of alpha and/or beta sulphate hemihydrate Ceased AU548565B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803035590 DE3035590A1 (en) 1980-09-20 1980-09-20 BLOWING OFFSET OF (ALPHA) -SULFATHALBHYDRATE AND / OR (BETA) -SULFATHALBHYDRATE
DE30355909 1980-09-20

Publications (2)

Publication Number Publication Date
AU7550581A AU7550581A (en) 1982-04-01
AU548565B2 true AU548565B2 (en) 1985-12-19

Family

ID=6112475

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75505/81A Ceased AU548565B2 (en) 1980-09-20 1981-09-18 Pneumatic stowing of alpha and/or beta sulphate hemihydrate

Country Status (5)

Country Link
AU (1) AU548565B2 (en)
DE (1) DE3035590A1 (en)
FR (1) FR2490719A1 (en)
GB (1) GB2084130B (en)
ZA (1) ZA815367B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806854A1 (en) * 1988-03-03 1989-09-14 Knauf Westdeutsche Gips METHOD FOR PRODUCING A READY-ON SCREED FROM FLOATING SCREED

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2216039C3 (en) * 1972-04-01 1981-09-17 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Hydraulically setting material for expansion purposes in mining
DE2906230A1 (en) * 1979-02-17 1980-08-28 Steag Ag Disposal of residue obtd. from waste gas washing plants - where residue is calcined to form beta calcium sulphate hemi:hydrate employed to reinforce tunnels in underground mines

Also Published As

Publication number Publication date
GB2084130B (en) 1984-07-04
DE3035590C2 (en) 1990-06-28
ZA815367B (en) 1982-08-25
FR2490719B1 (en) 1985-02-08
GB2084130A (en) 1982-04-07
DE3035590A1 (en) 1982-05-06
FR2490719A1 (en) 1982-03-26
AU7550581A (en) 1982-04-01

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